
Dung H. Bui
Examiner (ID: 4731, Phone: (571)270-7077 , Office: P/1773 )
| Most Active Art Unit | 1773 |
| Art Unit(s) | 1775, 1773, 1776, 1772, 1797, 4153 |
| Total Applications | 1691 |
| Issued Applications | 1279 |
| Pending Applications | 191 |
| Abandoned Applications | 269 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19440266
[patent_doc_number] => 12090494
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-09-17
[patent_title] => Cyclone separator particularly for a powder recovery device of a powder coating system
[patent_app_type] => utility
[patent_app_number] => 18/045721
[patent_app_country] => US
[patent_app_date] => 2022-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 8
[patent_no_of_words] => 8204
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 372
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18045721
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/045721 | Cyclone separator particularly for a powder recovery device of a powder coating system | Oct 10, 2022 | Issued |
Array
(
[id] => 20128170
[patent_doc_number] => 12370470
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-29
[patent_title] => Reserve tank
[patent_app_type] => utility
[patent_app_number] => 17/963742
[patent_app_country] => US
[patent_app_date] => 2022-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 10
[patent_no_of_words] => 2407
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 397
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17963742
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/963742 | Reserve tank | Oct 10, 2022 | Issued |
Array
(
[id] => 18164120
[patent_doc_number] => 20230030715
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-02-02
[patent_title] => VACUUM EXCAVATION APPARATUS HAVING A DECELERATION VESSEL AND METHODS FOR EXCAVATING A SITE
[patent_app_type] => utility
[patent_app_number] => 17/963375
[patent_app_country] => US
[patent_app_date] => 2022-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 15446
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 118
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17963375
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/963375 | Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site | Oct 10, 2022 | Issued |
Array
(
[id] => 18309533
[patent_doc_number] => 20230113433
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-04-13
[patent_title] => HYDROGEN SULFIDE ADSORPTION PROCESS AND APPARATUS
[patent_app_type] => utility
[patent_app_number] => 17/962368
[patent_app_country] => US
[patent_app_date] => 2022-10-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3074
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 59
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17962368
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/962368 | HYDROGEN SULFIDE ADSORPTION PROCESS AND APPARATUS | Oct 6, 2022 | Pending |
Array
(
[id] => 19096761
[patent_doc_number] => 20240115988
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-04-11
[patent_title] => MEMBRANE PERMEATE RECYCLE WITH PRESSURIZED ANAEROBIC DIGESTERS
[patent_app_type] => utility
[patent_app_number] => 17/961002
[patent_app_country] => US
[patent_app_date] => 2022-10-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9307
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 122
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961002
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/961002 | MEMBRANE PERMEATE RECYCLE WITH PRESSURIZED ANAEROBIC DIGESTERS | Oct 5, 2022 | Pending |
Array
(
[id] => 18299506
[patent_doc_number] => 20230109192
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-04-06
[patent_title] => CO2 CAPTURE SYSTEM
[patent_app_type] => utility
[patent_app_number] => 17/938023
[patent_app_country] => US
[patent_app_date] => 2022-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7814
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 96
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17938023
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/938023 | CO2 CAPTURE SYSTEM | Oct 3, 2022 | Pending |
Array
(
[id] => 18144314
[patent_doc_number] => 20230018165
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-01-19
[patent_title] => CENTRIFUGAL SEPARATION-TYPE OIL SEPARATOR
[patent_app_type] => utility
[patent_app_number] => 17/955283
[patent_app_country] => US
[patent_app_date] => 2022-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7589
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[patent_words_short_claim] => 201
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17955283
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/955283 | Centrifugal separation-type oil separator | Sep 27, 2022 | Issued |
Array
(
[id] => 18954031
[patent_doc_number] => 20240042358
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-02-08
[patent_title] => LENS PROTECTION STRUCTURE
[patent_app_type] => utility
[patent_app_number] => 17/944360
[patent_app_country] => US
[patent_app_date] => 2022-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4093
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17944360
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/944360 | LENS PROTECTION STRUCTURE | Sep 13, 2022 | Pending |
Array
(
[id] => 19247324
[patent_doc_number] => 20240198309
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-20
[patent_title] => DEVICE AND METHOD FOR SEPARATING PARTICLES FROM AEROSOLS FOR CONDITIONING TEST AEROSOLS FOR PENETRATION MEASUREMENT ON FILTERS
[patent_app_type] => utility
[patent_app_number] => 18/554956
[patent_app_country] => US
[patent_app_date] => 2022-09-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3149
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 2
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18554956
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/554956 | DEVICE AND METHOD FOR SEPARATING PARTICLES FROM AEROSOLS FOR CONDITIONING TEST AEROSOLS FOR PENETRATION MEASUREMENT ON FILTERS | Sep 8, 2022 | Pending |
Array
(
[id] => 18108552
[patent_doc_number] => 20230001432
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-01-05
[patent_title] => CYCLONE SEPARATOR ARRANGEMENT
[patent_app_type] => utility
[patent_app_number] => 17/902841
[patent_app_country] => US
[patent_app_date] => 2022-09-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3941
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 2
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902841
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/902841 | Cyclone separator arrangement | Sep 3, 2022 | Issued |
Array
(
[id] => 18979173
[patent_doc_number] => 11904328
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-02-20
[patent_title] => Induction powered vortex fluid separator
[patent_app_type] => utility
[patent_app_number] => 17/898658
[patent_app_country] => US
[patent_app_date] => 2022-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 2195
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 61
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898658
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/898658 | Induction powered vortex fluid separator | Aug 29, 2022 | Issued |
Array
(
[id] => 19344010
[patent_doc_number] => 20240252973
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-01
[patent_title] => CASCADED APPARATUS FOR FORMING ARTIFICIAL FOREST
[patent_app_type] => utility
[patent_app_number] => 18/006515
[patent_app_country] => US
[patent_app_date] => 2022-08-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6330
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 309
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18006515
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/006515 | CASCADED APPARATUS FOR FORMING ARTIFICIAL FOREST | Aug 24, 2022 | Pending |
Array
(
[id] => 18035037
[patent_doc_number] => 20220379252
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-12-01
[patent_title] => TWO-PHASE SEPARATOR DEVICE FOR REMOVING CONDENSATE OR PARTICULATE FROM A GAS STREAM
[patent_app_type] => utility
[patent_app_number] => 17/816863
[patent_app_country] => US
[patent_app_date] => 2022-08-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10380
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17816863
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/816863 | Two-phase separator device for removing condensate or particulate from a gas stream | Aug 1, 2022 | Issued |
Array
(
[id] => 18019439
[patent_doc_number] => 20220370938
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-11-24
[patent_title] => DUST CONTROL SYSTEM AND RELATED METHODS
[patent_app_type] => utility
[patent_app_number] => 17/871929
[patent_app_country] => US
[patent_app_date] => 2022-07-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 13439
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 2
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17871929
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/871929 | DUST CONTROL SYSTEM AND RELATED METHODS | Jul 22, 2022 | Abandoned |
Array
(
[id] => 18870122
[patent_doc_number] => 11857902
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-01-02
[patent_title] => High-stability shale gas desanding device with gravel storage mechanism
[patent_app_type] => utility
[patent_app_number] => 17/868581
[patent_app_country] => US
[patent_app_date] => 2022-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 13
[patent_no_of_words] => 6347
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 545
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17868581
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/868581 | High-stability shale gas desanding device with gravel storage mechanism | Jul 18, 2022 | Issued |
Array
(
[id] => 17943757
[patent_doc_number] => 20220330774
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-10-20
[patent_title] => FILTER CLEANING
[patent_app_type] => utility
[patent_app_number] => 17/857756
[patent_app_country] => US
[patent_app_date] => 2022-07-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6834
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17857756
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/857756 | Filter cleaning | Jul 4, 2022 | Issued |
Array
(
[id] => 20328662
[patent_doc_number] => 12458922
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-11-04
[patent_title] => Electroactive species and method for electrochemical gas separation
[patent_app_type] => utility
[patent_app_number] => 17/851318
[patent_app_country] => US
[patent_app_date] => 2022-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 17248
[patent_no_of_claims] => 34
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 150
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17851318
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/851318 | Electroactive species and method for electrochemical gas separation | Jun 27, 2022 | Issued |
Array
(
[id] => 19440265
[patent_doc_number] => 12090493
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-09-17
[patent_title] => Apparatus and method for dry cleaning of polluted flue gases
[patent_app_type] => utility
[patent_app_number] => 17/848364
[patent_app_country] => US
[patent_app_date] => 2022-06-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4176
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848364
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/848364 | Apparatus and method for dry cleaning of polluted flue gases | Jun 22, 2022 | Issued |
Array
(
[id] => 18076257
[patent_doc_number] => 20220401869
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-12-22
[patent_title] => AIR DUCT OPENING COVER ASSEMBLY AND METHOD OF COVERING AN AIR DUCT OPENING
[patent_app_type] => utility
[patent_app_number] => 17/844099
[patent_app_country] => US
[patent_app_date] => 2022-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9102
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 181
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17844099
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/844099 | AIR DUCT OPENING COVER ASSEMBLY AND METHOD OF COVERING AN AIR DUCT OPENING | Jun 19, 2022 | Pending |
Array
(
[id] => 17991053
[patent_doc_number] => 20220357090
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-11-10
[patent_title] => Refrigerator
[patent_app_type] => utility
[patent_app_number] => 17/843905
[patent_app_country] => US
[patent_app_date] => 2022-06-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7041
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 259
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843905
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/843905 | Refrigerator | Jun 16, 2022 | Issued |